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anv: implement VK_EXT_global_priority extension

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v2: add ANV_CONTEXT_REALTIME_PRIORITY (Chris)
    use unreachable with unknown priority (Samuel)

v3: add stubs in gem_stubs.c (Emil)
    use priority defines from gen_defines.h

v4: cleanup, add anv_gem_set_context_param (Jason)

Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com> (v2)
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> (v2)
Reviewed-by: Emil Velikov <emil.velikov@collabora.com> (v3)
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Tapani Pälli
2018-01-23 14:01:00 +02:00
parent 5960023cf4
commit 6d8ab53303
5 changed files with 95 additions and 0 deletions
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44
src/intel/vulkan/anv_device.c
View File

@@ -37,6 +37,7 @@
#include "util/build_id.h"
#include "util/mesa-sha1.h"
#include "vk_util.h"
#include "common/gen_defines.h"
#include "genxml/gen7_pack.h"
@@ -374,6 +375,9 @@ anv_physical_device_init(struct anv_physical_device *device,
device->has_syncobj_wait = device->has_syncobj &&
anv_gem_supports_syncobj_wait(fd);
if (anv_gem_has_context_priority(fd))
device->has_context_priority = true;
bool swizzled = anv_gem_get_bit6_swizzle(fd, I915_TILING_X);
/* Starting with Gen10, the timestamp frequency of the command streamer may
@@ -1324,6 +1328,23 @@ anv_device_init_dispatch(struct anv_device *device)
}
}
static int
vk_priority_to_gen(int priority)
{
switch (priority) {
case VK_QUEUE_GLOBAL_PRIORITY_LOW_EXT:
return GEN_CONTEXT_LOW_PRIORITY;
case VK_QUEUE_GLOBAL_PRIORITY_MEDIUM_EXT:
return GEN_CONTEXT_MEDIUM_PRIORITY;
case VK_QUEUE_GLOBAL_PRIORITY_HIGH_EXT:
return GEN_CONTEXT_HIGH_PRIORITY;
case VK_QUEUE_GLOBAL_PRIORITY_REALTIME_EXT:
return GEN_CONTEXT_REALTIME_PRIORITY;
default:
unreachable("Invalid priority");
}
}
VkResult anv_CreateDevice(
VkPhysicalDevice physicalDevice,
const VkDeviceCreateInfo* pCreateInfo,
@@ -1367,6 +1388,15 @@ VkResult anv_CreateDevice(
}
}
/* Check if client specified queue priority. */
const VkDeviceQueueGlobalPriorityCreateInfoEXT *queue_priority =
vk_find_struct_const(pCreateInfo->pQueueCreateInfos[0].pNext,
DEVICE_QUEUE_GLOBAL_PRIORITY_CREATE_INFO_EXT);
VkQueueGlobalPriorityEXT priority =
queue_priority ? queue_priority->globalPriority :
VK_QUEUE_GLOBAL_PRIORITY_MEDIUM_EXT;
device = vk_alloc2(&physical_device->instance->alloc, pAllocator,
sizeof(*device), 8,
VK_SYSTEM_ALLOCATION_SCOPE_DEVICE);
@@ -1397,6 +1427,20 @@ VkResult anv_CreateDevice(
goto fail_fd;
}
/* As per spec, the driver implementation may deny requests to acquire
* a priority above the default priority (MEDIUM) if the caller does not
* have sufficient privileges. In this scenario VK_ERROR_NOT_PERMITTED_EXT
* is returned.
*/
if (physical_device->has_context_priority) {
int err =
anv_gem_set_context_priority(device, vk_priority_to_gen(priority));
if (err != 0 && priority > VK_QUEUE_GLOBAL_PRIORITY_MEDIUM_EXT) {
result = vk_error(VK_ERROR_NOT_PERMITTED_EXT);
goto fail_fd;
}
}
device->info = physical_device->info;
device->isl_dev = physical_device->isl_dev;